330750

Appears in sequences

• Unitary harmonic numbers (those for which the unitary harmonic mean is an integer).at n=32A006086
• Sixth column of triangle A075500.at n=3A075914
• a(n) = if n mod 2 = 1 then n^3*(n-1)^2/2 else n^5/2.at n=15A122658
• Triangle related to the asymptotic expansion of E(x,m=4,n).at n=32A163934
• a(n) = Product_{i=2..n} (tau(i)+1)/(tau(i)-1), where tau(.)=A000005(.).at n=17A181574
• Prime factorization representation of Stern polynomials: a(0) = 1, a(1) = 2, a(2n) = A003961(a(n)), a(2n+1) = a(n)*a(n+1).at n=35A260443
• Even terms in A260442 (in A260443).at n=19A277200
• Odd bisection of A260443 (the even terms): a(n) = A260443((2*n)+1).at n=17A277324
• Record values in A260443.at n=13A277703
• a(n) = lcm(A260443(n), A260443(1+n)).at n=19A284008
• a(n) = lcm(A260443(n), A260443(1+n)).at n=26A284008
• a(n) = A059896(A260443(n), A260443(1+n)).at n=19A284576
• Number of permutations of [n] with seven ordered cycles such that equal-sized cycles are ordered with increasing least elements.at n=3A285858
• Square array A(n,k), read by antidiagonals: product of two Stern polynomials, B(n,x) and B(k,x), converted to a natural number via prime factorization encoding explained in A297845.at n=59A391259
• Square array A(n,k), read by antidiagonals: product of two Stern polynomials, B(n,x) and B(k,x), converted to a natural number via prime factorization encoding explained in A297845.at n=61A391259